Redefining B-twisted topological sigma models

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A recently proposed variation on the usual procedure to perform the topological B-twist in rigid $N=2$ models is applied to the case of the $σ$ model on a Kähler manifold. This leads to an alternative description of Witten's topological $σ$ model, which allows for a proper BRST interpretation and ghost number assignement. We also show that the auxiliary fields, which are responsible for the off shell closure of the $N=2$ algebra, play an important role in our construction.
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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/149269

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/9510176
 http://arxiv.org/abs/hep-th/9510176

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arXiv